12812975

素因数分解:

$5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 18296448

約数和(自身を除く): 5483473

約数列:

[1, 5, 7, 25, 35, 175, 211, 347, 1055, 1477, 1735, 2429, 5275, 7385, 8675, 12145, 36925, 60725, 73217, 366085, 512519, 1830425, 2562595, 12812975]

約数ペア:

[(1, 12812975), (5, 2562595), (7, 1830425), (25, 512519), (35, 366085), (175, 73217), (211, 60725), (347, 36925), (1055, 12145), (1477, 8675), (1735, 7385), (2429, 5275)]